About Hiroki ‑ San Hiroki ‑ San is an immersive, soulful Japanese dining experience located inside Detroit’s iconic and beautifully restored Book Tower . Rooted in tradition, technique, and a deep respect for Japanese culinary culture, Hiroki ‑ San blends the precision of classic Japanese cooking with a contemporary, design ‑ driven atmosphere. The menu highlights the finest Japanese ingredients—many flown in weekly from Tokyo’s Toyosu Market—and showcases both traditional and modern preparation